Three people who walk the world in search of strangeness and wonder, uncovering things others wish were left covered. They are the mystery archaeologists: an interdimensional peacekeeping force tasked with tracking down evidence of superhuman activity. From writer Warren Ellis (Transmetropolitan, Astonishing X-Men) and acclaimed artist John Cassaday (Uncanny Avengers, Captain America), Planetary Compendium collects PLANETARY #1-27, PLANETARY/BATMAN #1, PLANETARY/JLA #1, and PLANETARY/AUTHORITY #1.